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Alumina crucible is used for testing laboratory and a variety of industrial analysis. Alumina ceramic crucible and corundum crucible include: arc alumina crucible, square alumina crucible, rectangle alumina ceramic crucible, column ceramic crucible and a variety of shaped alumina ceramic crucible. Characters of alumina crucible and corundum crucible: 1. High purity: Al2O3>*9%, high chemical etching resistance; 2. Temperature tolerance, at ***0°C for long term application, and at ***0°C for short term application; 3. Resistant to sudden cold and hot, un-explosive; 4. High density of slip casting, high purity alumina crucible, specifications of *9% corundum crucibles: 5ml *0ml *5ml *0ml *5ml *0ml *0ml **0ml **0ml **0ml- ***0ml. Characters of corundum crucible: 1. High purity: Al2O3>*9%, high chemical etching resistance; 2. Temperature tolerance, at ***0C for long term application, and at ***0C for short term application 3. Resistant to sudden cold and hot, un-explosive 4. High density of slip casting Product description: Name Square alumina crucible Chemical ingredient Al2O3 ≥*9 R2O ≤0.2 Fe2O3 ≤0.1 SiO2 ≤0.2 Volume density (g/cm2) ≥3.*0 Apparent porosity (%) <1 Bending strength (Mpa) >**0 Compression strength (Mpa) >****0 Dielectric constant ∑(1MHz) 2 Max. service temperature (C) ***0 Package Plastic paper inside, Polyfoam filled, Wooden box outside. Payment L/C T/T, West union, etc. Shipping and Delivery by air , in *5 days after receiving the payment Warranty Our products are warranted to be free from defects in materials or workmanship for one year from the date of purchase. Within this period, Across International will, at its sole options, replace any components that fail in normal use. Such replacement will be made at no charge to the customer for parts, provided that the customer shall be responsible for any transportation cost. This warranty does no